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The Gaylord Ventilator detergent pump is an integral part of the
wash-down system of The Gaylord Ventilator. The pump is
located within the control cabinet unless otherwise specified.
(Refer to schematics on Pages 33 through 35.)
OPERATION
The detergent pump is started when the wash cycle begins.
The pump draws detergent up from the detergent tank, pushing
it through the copper tubing and into the hot water line serving
the ventilator.
NOTE:
Some control cabinets are equipped with a low
detergent switch. If so equipped, the green light will flash if the
detergent tank is empty or if the detergent pump is malfunc-
tioning and detergent is not pumping. The digital display reads
"Low Detergent" and the text alternates from "Fill Tank" and
"Check Pump". If the detergent tank is filled with water the
detergent switch will activate as if there is no detergent.
Initial Operation
To prime and operate the pump for the first time, it is recom-
mended that water be used instead of detergent to prevent
detergent from spilling in case of leaks at the system's fittings.
Priming The Pump
The detergent pump is self-priming. Push the pump test
switch, located on the junction box of the motor, and hold down
until liquid climbs up the vinyl tubing and fills the pump head.
The pump will be operating properly when both upper and lower
poppet checks can be seen moving up and down slightly. If the
pump does not self-prime, an air lock may have developed
within the pump head and the following action should be taken:
1. Hold down pump test switch and loosen top cap slightly
to allow air to be pushed out. Repeat as necessary until
liquid climbs up tube and fills pump head.
Note: Do not overly tighten cap or damage to the pump
head will occur.
2. If the pump still does not work properly, check the
following:
A. Foot valve should be clean and immersed in the liquid.
B. Check all fittings to ensure an airtight system.
C. Poppet checks within the foot valve, pump head and
brass check valve should be clean and operating
freely.
D. Detergent lines should be free and clear.
DETERGENT FLOW
Detergent flow is initially factory set according to the pipe size of the
control cabinet (refer to chart). Generally, the factory setting will be
sufficient to provide adequate cleaning of the ventilator. However,
adequate cleaning is dependent upon a number of factors:
1. Temperature of hot water
2. Water pressure
3. Daily grease accumulation
Depending upon these factors, it may be necessary to adjust
the detergent flow. Adjustment may be accomplished by
changing the cam to a different size. To change the cam:
1. Loosen Allen set screw on brass cam.
2. Remove cam and replace with next size as required.
3. Cam #1 minimum setting. Cam #4 maximum setting.
NOTE: Cams are available from Gaylord Industries or your
Gaylord Certified Service Agency.
DETERGENT PUMP OPERATION
4. Wash cycle time
5. Frequency of wash cycle
6. Type of detergent
PREVENTIVE MAINTENANCE
As with any piece of fine equipment, a reasonable amount of
care must be taken to keep it in good working order:
1. Caution should be taken not to spill detergent on the
exterior of the pump.
2. A periodic check should be made of all fittings
to guarantee their tightness.
NOTE: The detergent pump motor has sealed bearings and
will not require lubrication.
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